1023212023 has 4 divisors (see below), whose sum is σ = 1050866440. Its totient is φ = 995557608.

The previous prime is 1023211979. The next prime is 1023212039. The reversal of 1023212023 is 3202123201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023212023 - 2¹⁷ = 1023080951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023211988 and 1023212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023212093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13827153 + ... + 13827226.

It is an arithmetic number, because the mean of its divisors is an integer number (262716610).

Almost surely, 2^1023212023 is an apocalyptic number.

1023212023 is a deficient number, since it is larger than the sum of its proper divisors (27654417).

1023212023 is an equidigital number, since it uses as much as digits as its factorization.

1023212023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27654416.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1023212023 is about 31987.6854898881. The cubic root of 1023212023 is about 1007.6782348192.

Adding to 1023212023 its reverse (3202123201), we get a palindrome (4225335224).

The spelling of 1023212023 in words is "one billion, twenty-three million, two hundred twelve thousand, twenty-three".